Benzidine Back Catalog number: 43024 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1674.11-100-IO 1,2,10,11-Tetrachloroundecane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 210049-49-3 Price on request 0422.19-150-CY n-Nonadecane, ?13C: -34.60, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 629-92-5 Price on request S-4059-0-10B Thiophene in Thiophene-free Benzene Units: 5x1mL ampoule, 10mL screw-capped bottle Chiron No. Concentration Light White Mineral Oil µg thiophene/g (20 cSt at 40°C) Price on request